FRT-RD3™ (AMBI) Forced Reset Trigger System
Compatible with HK MP5, MP5K, SP5 & SP5K | Ambidextrous Performance Upgrade
Elevate Your MP5 Platform Experience
The FRT-RD3™ (AMBI) is a next-generation trigger upgrade designed for shooters who demand faster response, smoother operation, and uncompromising control. Purpose-built for the legendary HK MP5 family, this system enhances your platform without changing its trusted reliability or iconic feel.
Whether you’re running an MP5, MP5K, SP5, or SP5K, the RD3™ delivers a refined shooting experience with modern performance advantages.
Built for Performance. Engineered for Precision.
The FRT-RD3™ system is designed with a focus on:
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Rapid reset mechanics for improved shooting cadence
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Smooth, consistent trigger pull under repeated use
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Precision-machined components for tight tolerances
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Durable construction built for long-term reliability
Every detail is engineered to support consistent performance in both training and professional environments.FRT-MR3™ (FLAT) Forced Reset Trigger for the HK MR223 & HK MR556
True Ambidextrous Design (AMBI)
The RD3™ (AMBI) system is fully optimized for both left- and right-handed shooters.
Its symmetrical design ensures:
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Natural handling for all users
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Seamless transition between shooting shoulders
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Enhanced adaptability in dynamic scenarios
No compromises. No limitations.
Seamless Integration with HK Platforms
Designed specifically for the roller-delayed HK ecosystem, the FRT-RD3™ fits:
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HK MP5
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HK MP5K
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HK SP5
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HK SP5K
The system is engineered to integrate cleanly while preserving the original ergonomics and handling characteristics of your firearm.
Why Choose the FRT-RD3™?
Shooters choose the RD3™ for its balance of innovation and control. It delivers:
Faster trigger reset response
Improved shooting rhythm and consistency
Rugged, duty-ready durability
Ambidextrous usability for any operator
Precision fit for HK-pattern platforms
Designed for Serious Shooters
Whether used for training, range sessions, or professional applications, the FRT-RD3™ is built to support high-performance shooting demands while maintaining smooth, predictable control.
It’s not just an upgrade—it’s a refinement of your entire trigger experience.
Important Notice
Always ensure installation and use comply with all local, state, and federal regulations. This product should be installed and used responsibly by qualified individuals familiar with firearm systems and safe handling practices.
Upgrade Your Platform Today
Take your HK MP5 platform to the next level with the FRT-RD3™ (AMBI) Forced Reset Trigger System—where precision engineering meets responsive performance.
Experience faster reset. Sharper control. Elevated performance.